13425330121 has 24 divisors (see below), whose sum is σ = 15785461440. Its totient is φ = 11384100000.

The previous prime is 13425330109. The next prime is 13425330143. The reversal of 13425330121 is 12103352431.

It is a happy number.

It is not a de Polignac number, because 13425330121 - 2⁵ = 13425330089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13425334121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1853535 + ... + 1860763.

It is an arithmetic number, because the mean of its divisors is an integer number (657727560).

Almost surely, 2^13425330121 is an apocalyptic number.

It is an amenable number.

13425330121 is a deficient number, since it is larger than the sum of its proper divisors (2360131319).

13425330121 is a wasteful number, since it uses less digits than its factorization.

13425330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13425330121 its reverse (12103352431), we get a palindrome (25528682552).

The spelling of 13425330121 in words is "thirteen billion, four hundred twenty-five million, three hundred thirty thousand, one hundred twenty-one".